Heat treatment device for nano powder
By using a heating coil and a powder feeding module in the nanopowder heat treatment device, the problems of agglomeration and uneven heat conduction of nanopowder during the heat treatment process are solved, and a more efficient water removal effect is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU PHASE CONTROL TECHNOLOGY CO LTD
- Filing Date
- 2025-05-26
- Publication Date
- 2026-04-28
AI Technical Summary
In traditional nanoparticle heat treatment devices, nanoparticles easily absorb moisture and agglomerate, resulting in poor thermal conductivity and low water removal efficiency.
The inner lining is heated by a heating coil, and the powder feeding module driven by the stirring motor and eccentric roller, including the vibrating feeding plate and the conveying auger module, is combined to achieve uniform heating and powder crushing and dispersion in the reactor.
It improves the thermal conductivity uniformity and water removal efficiency of nanoparticles, reduces agglomeration, and ensures a stable feeding process.
Smart Images
Figure CN224167341U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of nanopowder processing technology, and in particular to a heat treatment device for nanopowder. Background Technology
[0002] In modern industrial production, numerous gas-solid reaction processes exist. To improve product quality and production efficiency, ultrafine powder solid particles are often used to react with gases. Because ultrafine powders have a large specific surface area, they easily absorb moisture and adsorb oxygen on their surface during storage. Therefore, before the gas-solid reaction process, the powder needs to be heat-treated to remove the adsorbed moisture and reduce oxygen adsorption on the powder surface.
[0003] In common powder heat treatment equipment, powder materials are directly poured into a mixing tank for stirring and heating. However, since powder is prone to agglomeration after being exposed to moisture, directly placing it into the tank results in poor overall heat conduction and dehydration. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide a heat treatment device for nanoparticles, which can solve the problems of traditional nanoparticles absorbing moisture and easily agglomerating directly into the heating kettle, resulting in poor heat conduction, low efficiency, and unsatisfactory water removal effect.
[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is: a heat treatment device for nanopowders, the innovation of which is: including a powder heating kettle and a powder feeding module;
[0006] The powder heating kettle includes a kettle body and a kettle cover. The bottom end of the kettle body is provided with a discharge port. The inner wall of the kettle body is provided with an inner lining, and a heating gap is formed between the inner lining and the inner wall of the kettle body. A heating coil is provided in the heating gap, and the inner lining is heated by the heating coil, thereby heating the nano-powder in the kettle body. The kettle cover is located on the top of the kettle body. A stirring hole is provided at the center of the kettle cover. A nano-powder feeding hole and an exhaust hole are respectively provided on both sides of the stirring hole. A stirring motor is provided on the stirring hole in a vertical direction, and the output end of the stirring motor extends to the bottom of the kettle cover. A stirring shaft is provided on the output end of the stirring motor in a vertical direction. A stirring blade is provided on the stirring shaft, and the stirring blade is located inside the kettle body.
[0007] The powder feeding module is located at the nanopowder feeding hole on the reactor lid; the powder feeding module includes a support base, a powder hopper, a conveying auger module, a vibrating feeding plate, and an eccentric roller; the support base is located on the side of the nanopowder feeding hole on the reactor lid; the bottom of the powder hopper is provided with a discharge port; the side of the conveying auger module is mounted on the support base, and the bottom of the conveying auger module is provided with an outlet, through which the nanopowder in the powder hopper is output;
[0008] The oscillating feeding plate is inclinedly arranged below the conveying auger module, and the top of the oscillating feeding plate is hinged to the lower surface of the conveying auger module. The bottom of the oscillating feeding plate extends to the nanopowder feeding hole. The nanopowder output by the conveying auger module falls onto the oscillating feeding plate and enters the reactor.
[0009] The eccentric roller is positioned below the vibrating feed plate, and both ends of the eccentric roller are mounted on the support base via bearings and bearing seats. The eccentric roller is linked to the conveying auger module via a belt, enabling the eccentric roller to drive the vibrating feed plate to swing and oscillate in the vertical direction, thereby conveying the nanopowder into the reactor.
[0010] Furthermore, the conveying auger module includes an auger cover and an auger unit; the auger cover is mounted on a support base, and the two ends of the auger unit are mounted on the auger cover via slewing bearings, with the two ends of the auger unit extending out of the auger cover; both the end of the auger unit and the end of the eccentric roller are provided with pulleys and are linked by belts.
[0011] Furthermore, a baffle plate is inclinedly arranged above the vibrating feed plate, and one end of the baffle plate is connected to the bottom end of the conveying auger module; a gap is left between the baffle plate and the vibrating feed plate.
[0012] Furthermore, the side of the vibrating feed plate and the side of the baffle plate are provided with elastic retaining edges.
[0013] The advantages of this utility model are:
[0014] 1) In this utility model, a heating coil is installed between the vessel body and the inner lining to heat the inner lining, thereby achieving more uniform heating of the nanopowder inside the vessel body. In addition, the powder feeding module is equipped with a conveying auger module to ensure stable feeding. The oscillating feeding plate can break up agglomerated nanopowder, reduce the agglomeration effect, and achieve sufficient heat conduction and dehydration inside the vessel body, thereby improving dehydration efficiency. Furthermore, the oscillating feeding plate and the conveying auger module are linked by a belt to ensure the rhythm and stability of the overall nanopowder feeding. Attached Figure Description
[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0016] Figure 1 This is a schematic diagram of the structure of a heat treatment device for nanopowders according to the present invention. Detailed Implementation
[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0019] like Figure 1 The heat treatment device for nanopowders shown includes a powder heating vessel 1 and a powder feeding module 2.
[0020] The powder heating vessel 1 includes a vessel body 11 and a vessel cover 12. A discharge port is provided at the bottom end of the vessel body 11. A liner 13 is provided on the inner wall of the vessel body 11, and a heating gap is formed between the liner 13 and the inner wall of the vessel body 11. A heating coil 14 is provided in the heating gap, and the liner 13 is heated by the heating coil 14, thereby heating the nanoparticles in the vessel body 11. The vessel cover 12 is provided on the top of the vessel body 11. A stirring hole is provided at the center of the vessel cover 12, and a nanoparticle feeding hole and an exhaust hole are respectively provided on both sides of the stirring hole. A stirring motor 15 is provided on the stirring hole in a vertical direction, and the output end of the stirring motor 15 extends to the bottom of the vessel cover 12. A stirring shaft 16 is provided on the output end of the stirring motor 15 in a vertical direction. A stirring blade is provided on the stirring shaft 16, and the stirring blade is located in the vessel body.
[0021] The powder feeding module 2 is located at the nanopowder feeding hole on the lid 11. The powder feeding module 2 includes a support base 21, a powder hopper 22, a conveying auger module 23, a vibrating feeding plate 24, and an eccentric roller 25. The support base 21 is located on the side of the nanopowder feeding hole on the lid 11. The bottom of the powder hopper 22 is provided with a discharge port. The side of the conveying auger module 23 is mounted on the support base 21, and the bottom of the conveying auger module 23 is provided with an outlet. The nanopowder in the powder hopper 22 is output through the conveying auger module 23.
[0022] The oscillating feed plate 24 is inclinedly arranged below the conveying auger module 23, and the top of the oscillating feed plate 24 is hinged to the lower surface of the conveying auger module 23. The bottom of the oscillating feed plate 24 extends to the nanopowder feeding hole. The nanopowder output by the conveying auger module 23 falls onto the oscillating feed plate 24 and enters the reactor body 11.
[0023] The eccentric roller 25 is positioned below the vibrating feed plate 24, and both ends of the eccentric roller 25 are mounted on the support base 21 through bearings and bearing seats. The eccentric roller 25 is linked with the conveying auger module 23 through a belt, so that the eccentric roller 25 drives the vibrating feed plate 24 to swing and oscillate in the vertical direction, and the nanopowder is conveyed into the reactor body 11 through vibration.
[0024] The conveying auger module 23 includes an auger cover and an auger unit; the auger cover is mounted on a support base, and the two ends of the auger unit are mounted on the auger cover through slewing bearings, and the two ends of the auger unit extend out of the auger cover; both ends of the auger unit and the ends of the eccentric roller are provided with pulleys and are linked by belts.
[0025] A baffle plate 26 is inclinedly arranged above the vibrating feed plate 24, and one end of the baffle plate 26 is connected to the bottom end of the conveying auger module 23; a gap is left between the baffle plate 26 and the vibrating feed plate 24.
[0026] The sides of the vibrating feed plate 24 and the side of the baffle plate 26 are provided with elastic baffles.
[0027] The working principle of this utility model is as follows: A heating coil is installed between the vessel body and the lining to heat the lining, thereby heating the nanopowder inside the vessel body and making the heating of the vessel body more uniform. In addition, the powder feeding module includes a conveying auger module for stable feeding. The oscillating feeding plate breaks up agglomerated nanopowder, reducing agglomeration and achieving sufficient heat conduction and dehydration within the vessel body, thus improving dehydration efficiency. Furthermore, the oscillating feeding plate and the conveying auger module are linked by a belt, ensuring the rhythm and stability of the overall nanopowder feeding.
[0028] Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of this utility model as claimed.
Claims
1. A heat treatment apparatus for nanopowders, characterized in that: Includes a powder heating kettle and a powder feeding module; The powder heating kettle includes a kettle body and a kettle cover. The bottom end of the kettle body is provided with a discharge port. The inner wall of the kettle body is provided with an inner lining, and a heating gap is formed between the inner lining and the inner wall of the kettle body. A heating coil is provided in the heating gap, and the inner lining is heated by the heating coil, thereby heating the nano-powder in the kettle body. The kettle cover is located on the top of the kettle body. A stirring hole is provided at the center of the kettle cover. A nano-powder feeding hole and an exhaust hole are respectively provided on both sides of the stirring hole. A stirring motor is provided on the stirring hole in a vertical direction, and the output end of the stirring motor extends to the bottom of the kettle cover. A stirring shaft is provided on the output end of the stirring motor in a vertical direction. A stirring blade is provided on the stirring shaft, and the stirring blade is located inside the kettle body. The powder feeding module is located at the nanopowder feeding hole on the reactor lid; the powder feeding module includes a support base, a powder hopper, a conveying auger module, a vibrating feeding plate, and an eccentric roller; the support base is located on the side of the nanopowder feeding hole on the reactor lid; the bottom of the powder hopper is provided with a discharge port; the side of the conveying auger module is mounted on the support base, and the bottom of the conveying auger module is provided with an outlet, through which the nanopowder in the powder hopper is output; The oscillating feeding plate is inclinedly arranged below the conveying auger module, and the top of the oscillating feeding plate is hinged to the lower surface of the conveying auger module. The bottom of the oscillating feeding plate extends to the nanopowder feeding hole. The nanopowder output by the conveying auger module falls onto the oscillating feeding plate and enters the reactor. The eccentric roller is positioned below the vibrating feed plate, and both ends of the eccentric roller are mounted on the support base via bearings and bearing seats. The eccentric roller is linked to the conveying auger module via a belt, enabling the eccentric roller to drive the vibrating feed plate to swing and oscillate in the vertical direction, thereby conveying the nanopowder into the reactor.
2. The heat treatment apparatus for nanopowders according to claim 1, characterized in that: The conveying auger module includes an auger cover and an auger unit; the auger cover is mounted on a support base, and the two ends of the auger unit are mounted on the auger cover through slewing bearings, with the two ends of the auger unit extending out of the auger cover; both the end of the auger unit and the end of the eccentric roller are provided with pulleys and are linked by belts.
3. The heat treatment apparatus for nanopowders according to claim 1, characterized in that: A baffle plate is inclinedly arranged above the vibrating feed plate, and one end of the baffle plate is connected to the bottom end of the conveying auger module; a gap is left between the baffle plate and the vibrating feed plate.
4. The heat treatment apparatus for nanopowders according to claim 3, characterized in that: The side of the vibrating feed plate and the side of the baffle plate are provided with elastic retaining edges.